gh0strat | e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6

General

Target

e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe
Size

4.6MB
MD5

38be00721ea70e68a7592a736b591fce
SHA1

10d0efe13f3e2644086018d7342d878c3c8504a0
SHA256

e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6
SHA512

3790bded9587b02aeafd80efa66de33ead69de9b2a9322f8c5bafab53af8d7f2f7f516d04c3c21ac6fca2f40916e232379c9d68bb95c1cdb6fcb25b011230951
SSDEEP

49152:xYREXSVMDi3d5bXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PL:u2SVMD83bXsPN5kiQaZ56

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
C:\Windows\SysWOW64\240641281.bat	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

look2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\240641281.bat"	look2.exe

Executes dropped EXE 3 IoCs

Processes:

look2.exeHD_e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exesvchcst.exe

pid process

1008 look2.exe
1852 HD_e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe
2904 svchcst.exe
Loads dropped DLL 3 IoCs

Processes:

look2.exesvchost.exesvchcst.exe

pid process

1008 look2.exe
1764 svchost.exe
2904 svchcst.exe

pid	process
1008	look2.exe
1852	HD_e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe
2904	svchcst.exe

pid	process
1008	look2.exe
1764	svchost.exe
2904	svchcst.exe

Drops file in System32 directory 4 IoCs

Processes:

look2.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\ini.ini	look2.exe
File created	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\svchcst.exe	svchost.exe
File created	C:\Windows\SysWOW64\240641281.bat	look2.exe

Drops file in Program Files directory 1 IoCs

Processes:

e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe

pid	process
348	e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe
348	e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe

pid	process
348	e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe
348	e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exesvchost.exe

description	pid	process	target process
PID 348 wrote to memory of 1008	348	e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe	look2.exe
PID 348 wrote to memory of 1008	348	e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe	look2.exe
PID 348 wrote to memory of 1008	348	e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe	look2.exe
PID 348 wrote to memory of 1852	348	e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe	HD_e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe
PID 348 wrote to memory of 1852	348	e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe	HD_e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe
PID 348 wrote to memory of 1852	348	e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe	HD_e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe
PID 1764 wrote to memory of 2904	1764	svchost.exe	svchcst.exe
PID 1764 wrote to memory of 2904	1764	svchost.exe	svchcst.exe
PID 1764 wrote to memory of 2904	1764	svchost.exe	svchcst.exe

C:\Users\Admin\AppData\Local\Temp\e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe
"C:\Users\Admin\AppData\Local\Temp\e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:348

C:\Users\Admin\AppData\Local\Temp\look2.exe
C:\Users\Admin\AppData\Local\Temp\\look2.exe
2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:1008

C:\Users\Admin\AppData\Local\Temp\HD_e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe
C:\Users\Admin\AppData\Local\Temp\HD_e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe
2⤵
- Executes dropped EXE
PID:1852

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
PID:4452

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "svchcst"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1764

C:\Windows\SysWOW64\svchcst.exe
C:\Windows\system32\svchcst.exe "c:\windows\system32\240641281.bat",MainThread
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2904

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4316,i,15721081447618313297,6839074028983272033,262144 --variations-seed-version --mojo-platform-channel-handle=1336 /prefetch:8
1⤵
PID:4624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HD_e63a40126b75367d2bec76e14145d7e4bee409c33c73660c4eeb6c4b1d9ffcf6.exe
Filesize
3.1MB

MD5
fb083acd60fe5c3156dc25442be815e3

SHA1
61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

SHA256
f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

SHA512
7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\RCXE61A.tmp
Filesize
1.5MB

MD5
805b10d01d3630e9b1c9f29a40b963d7

SHA1
c793f87c1727359a542f44cdaf7c9eee46c635c8

SHA256
7e133d033266ad74dfcd3acc42f0f168d7c88a3ef6bd533908a9992fe4abd237

SHA512
94257f72db05a6fa146ec1ed74f4bd20700164dbb671f021d973c932ee5b6905d7ce8677df8f6fedb72e897129d6add41d5d82b675b1e93c87d724c722312900

Download Submit
C:\Users\Admin\AppData\Local\Temp\look2.exe
Filesize
337KB

MD5
2f3b6f16e33e28ad75f3fdaef2567807

SHA1
85e907340faf1edfc9210db85a04abd43d21b741

SHA256
86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

SHA512
db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

Download Submit
C:\Windows\SysWOW64\240641281.bat
Filesize
51KB

MD5
7e89292a4840ab423b9fca4124904d51

SHA1
aceffb211859820d8f6bdc2cf63e219ebb54364e

SHA256
a5dd5bcee0b1a19d9f13da690c35862affe6e2ae0d5ab0bf98fd7e13d03a7c10

SHA512
6147d9d78460f5ef92f5048291044b74fa6de7cd421836a77c8fdb5cd1a347cc27073506998167eb8f233cc52326d50a3b602b27fff9ebc54ccaae0beb7d25aa

Download Submit
C:\Windows\SysWOW64\svchcst.exe
Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads